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DOM

操作节点
javascript
const hh = document.querySelector('h2')
Object.assign(hh,{
    innerText:'Hello World',
    dataValue:"value"
})
Object.assign(hh.style,{
    color:'red',
    fontSize:'20px'
})
获取元素集合
javascript
documnet.images
document.links
document.forms
document.scripts

document.getElementByTagName('div')[id]
// 节点静态特征
document.querySelectorAll('div')
// 节点动态特征
document.getElemntByTagName('div')

Array.prototype.map.call('scssc',(element)=>element)